Fixed: Failed To Restore Read After Lvm I/O Error.

In this guide, we describe some of the possible causes that can lead to the lvm I/O read error and then provide possible solutions that you can try to solve the problem.

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    /usr/sbin/lvdisplay    /dev/sdb: failed to read after 0 of 2048 to 2: I/O error    /dev/sdb1: check failed after 0 vs. 2048 at 0: I/O error    /dev/sdb2: read error after 3 of 2048 to 0: I/O error    /dev/sdb3: read reduced to three after 0 since 2048: I/O error--- Logical volume ---...

    I would still see my volumes if I got an error every time, any ideas?

    On this server, the program showed many I/O errors when starting pvs

    read failed after input/output error lvm

    [email protected]:~#pvs
    /dev/sdq: error reading immediately after 0 4096 of 0: I/O error
    /dev/sdq1: read error at 0 is related to 2048 at 0: I/O error
    /dev/mpath/disk2: failed to listen after 04096 or around 80530571264: I/O error
    /dev/mpath/disk2: read error 0 4096 of 80530628608: I/O error
    /dev/mpath/disk2: read error after 44096 to 0: I/O error/dev/mpath/disk2: search failed 0 4096 problems 4096: I/O error
    /dev/mpath/disk2p1: Read error when 0 of 512 to 80525328384: I/O error
    /dev/mpath/disk2p1: read error after 0 for 512 at 80525447168: I/O error/dev/mpath/disk2p1: Seek failure after 0 of 512 to 0: I/O error
    /dev/mpath/disk2p1: error reading later than 0 512 to 4096: I/O error/dev/mpath/disk2p1: Read error after 0, related to 2048 at 0: I/O error/dev/devvg/u01lv: see crash after 04096 of 21474770944: I/O error/dev/devvg/u01lv: read at address 0 4096 failed at address 2 1474828288: I/O error
    /dev/devvg/u01lv: read error after 84096 to 0: I/O error/dev/devvg/u01lv: careful read error after 0 4096 with 4096: I/O error/dev/sde: read error terminated at 0 4096 of 0: I/O error/dev/sde1: read at 0 failed with code 2048 at 0: I/O error
    /dev/sdw: probe failed after 04096 for 0: I/O error
    /dev/sdw1: unable to read trailing 0 of 2048 to 0: I/O error/dev/sdk: read null 4096 failed at 0: I/O error

    The DVD was removed and it never removed properly

    [email protected]:~ # multipath -ll disk2
    sde: verifier message: “Path to verifier report does not work”
    The sdk:checker message is usually “Tur Checker reports that the path is considered invalid”
    sdq: Checker msg: “path to storiescheck tur is not working”
    sdw: checker message still shows “tur checker says path probably doesn’t work”
    disk2 (360000000000000000000000000000) dm-25 HP, P2000 G3 FC
    [Size=75G][Specs=0][hwhandler=0][rw]
    _ Round robin 0 [prio=0][enabled]
    _ 1:0:0:5 sde 8:64 [failed][error]
    _ 1:0:1:5 SDK 8:160 [failed][error]
    _ 2:0:0:5 sdq 65:0 [failed][error]
    _ 2:0:1:5 sdw 65:96 [failure][error]

    Removing a new blocking device

    [email protected]:~ # first echo > /sys/block/sde/device/delete
    [email protected]:~ # Echo Special > /sys/block/sdk/device/delete
    [email protected]:~ # echo 1 > /sys/block/sdq/device/delete
    [email protected]:~ echo number 1 > /sys/block/sdw/device/delete

    I was able to remove a device that was using Device Mapper, but I was unable to remove a device with a partition

    [email protected]:~ # dmsetup get rid of disk2
    [email protected]:~ # remove dmsetup disk2p1
    Device Mapper: Failed to prune ioctl: device or resource busy
    Command error

    I was using the /dev/devvg/u01lv guitar filesystem, so I had to purchase it before I could remove the device with its own partition


    read failed after input/output error lvm

    [email protected]:~ # remove dmsetup devvg-u01lv

    [email protected]:~ remove number dmsetup disk2p1

    On this server, when I ran pvs it showed a particularly high number of I/O errors

    [email protected]:~ pvs number
    /dev/sdq: read failed after 0 4096 disabled at 0: I/O error/dev/sdq1: reading after 0 from 2048 to 9: I/O error/dev/mpath/disk2: failed to read after 24096 of 80530571264: I/O error
    /dev/mpath/disk2: read error after 04096 related to 80530628608: I/O error/dev/mpath/disk2: Read error after 0 4096 of 7: I/O error/dev/mpath/disk2: read error after 44096 or 4096: I/O error/dev/mpath/disk2p1: Error reading after 0 or 512 at address 80525328384: I/O error/dev/mpath/disk2p1: reading not after 0 of 512 at 80525447168: I/O error/dev/mpath/disk2p1: read error after zero 512 to 0: I/O error/dev/mpath/disk2p1: Read error after 0 mapped from 512 to 4096: I/O error/dev/mpath/disk2p1: failed to read after 0 of 2048 to 8: I/O error/dev/devvg/u01lv: Failed to read after null 4096 to 21474770944: I/O error/dev/devvg/u01lv: failed to read after 0 4096 from all to 21474828288: I/O error/dev/devvg/u01lv: errorka read after 0 4096 to 2: I/O error/dev/devvg/u01lv: Read error after 64096 or 4096: I/O error/dev/sde: read error after 0 4096 to 0: I/O error/dev/sde1: read hit wall after 0 of 2048 to zero: I/O error/dev/sdw: read at 7 4096 failed at 0: I/O error
    /dev/sdw1: read error after 0 of 2048 to 0: I/O error/dev/sdk: read error after 0 4096 of 5: I/O error

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  • [email protected]:~ # multipath -ll disk2
    sde: verifier message “the verifier indicates that the path does not work”
    sdk:checker msg actually means “tur checker signal path must not be active”
    sdq: verifier message “verifier indicates that the path is not working”
    sdw: validation message is shown as “tur validation reports path is considered invalid”
    disk2 (360000000000000000000000000000) dm-25 HP, P2000 G3 FC
    [Size=75G][Specs=0][hwhandler=0][rw]
    _ Round robin 0 [prio=0][enabled]
    _ 1:0:0:5 sde 8:64 [failed][error]
    _ 1:0:1:5 SDK 8:160 [failed][error]
    _ 2:0:0:5 sdq 65:0 [failed][error]
    _ 2:0:1:5 sdw 65:96 [failure][error]

    [email protected]:~ echo number 1 > /sys/block/sde/device/delete
    [email protected]:~ echo number 1 > /sys/block/sdk/device/delete
    [email protected]:~ # expand 1 > /sys/block/sdq/device/delete
    [email protected]:~ # repeat specific > /sys/block/sdw/device/delete

    I was able to disable the device used by the device mapping program, but unfortunately I was unable to remove the device with the exact partition

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    Corregido: Falló Para Restaurar La Lectura Después Del Error De E/S De Lvm.
    Fast: Det Gick Inte Att återställa Med Hjälp Av After Lvm I/O-fel.
    수정됨: Lvm I/O 오류 이후로 복원하지 못했습니다.
    Opgelost: Kan Lezen Niet Herstellen In De Nasleep Van Lvm I/O-fout.
    Corrigido: Falha Ao Restaurar A Leitura Após O Erro De E/S Lvm.
    Исправлено: не удалось восстановить чтение после ошибки ввода-вывода Lvm.
    Risolto: Impossibile Ripristinare La Lettura Dopo L’errore I/O Lvm.
    Corrigé : Échec De La Restauration De L’erreur D’E/S Lvm Suivante.
    Behoben: Fehler Beim Wiederherstellen Des Nächsten Lvm-I/O-Fehlers.
    Naprawiono: Nie Udało Się Odnowić Odczytu Po Błędzie Wejścia/wyjścia LVM.

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